#define _CRT_SECURE_NO_WARNINGS 
#include<stdio.h>
 
//向数组中输入数据
 
int main() {
	int arr[10] = {0};
	int MaxSize = 10;//数组的最大可存储数
	int len = 0;//数组长度
	
	int x = 1;
	int num = 0;
	int flag1 = 1;
	int flag = 1;
	while(flag1)
	{	
		printf("\n---------------------\n");
		printf("---输入数据请按\"1\"\n");
		printf("---查看数组请按\"2\"\n");
		printf("---退出请按\"3\"\n");
		printf("---------------------\n");
		flag = 1;
		scanf("%d", &x);
		if (x == 3) {
			return 0;
		}
		while(flag){
 
		switch (x) 
		{
		case 1:
			if (len >= MaxSize) 
			{
				printf("数据已满!\n");
				flag = 0;
				break;
			}
			else 
			{
				printf("请输入一个数据:\n");
				scanf("%d", &num);
				arr[len] = num;
				len++;
				flag = 0;
				break;
			}
			
		case 2:
			printf("\n------------\n");
			printf("数据如下:\n");
			for (int i = 0; i < len; i++) {
				printf("%d ", arr[i]);
			}
			printf("\n------------\n");
			flag = 0;
			break;
		default:
			printf("输入不合法!\n");
			flag = 0;
			break;
		}
		}
	}
	return 0;
}